diff --git a/Source/missiles.cpp b/Source/missiles.cpp
index a719e9c56..2fc2d1dfc 100644
--- a/Source/missiles.cpp
+++ b/Source/missiles.cpp
@@ -4361,6 +4361,7 @@ void __fastcall MI_Weapexp(int i)
 	int ExpLight[10] = { 9, 10, 11, 12, 11, 10, 8, 6, 4, 2 };
 
 	missile[i]._mirange--;
+	id = missile[i]._misource;
 	if (missile[i]._miVar2 == 1) {
 		mind = plr[id]._pIFMinDam;
 		maxd = plr[id]._pIFMaxDam;